Toothbrush



FIG. 1 is a front-right perspective view of a toothbrush according to our design;

FIG. 2 is a front-left perspective view thereof;

FIG. 3 is a rear-right perspective view thereof;

FIG. 4 is a rear-left perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left-side view thereof;

FIG. 8 is a right-side view thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof. 

CLAIM The ornamental design for a toothbrush, as shown and described. 